﻿/* Copyright (c) 2019 Rick (rick 'at' gibbed 'dot' us)
 *
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would
 *    be appreciated but is not required.
 *
 * 2. Altered source versions must be plainly marked as such, and must not
 *    be misrepresented as being the original software.
 *
 * 3. This notice may not be removed or altered from any source
 *    distribution.
 */

using System;
using System.Collections.Generic;
using System.Linq;

namespace Gibbed.BorderlandsOz.GameInfo.Loaders
{
    internal static class DownloadablePackageDefinitionLoader
    {
        public static InfoDictionary<DownloadablePackageDefinition> Load()
        {
            try
            {
                var displayNameOverrides = LoaderHelper.Deserialize<Dictionary<string, string>>(
                    "Downloadable Package Display Name Overrides");
                var raws = LoaderHelper.DeserializeDump<Dictionary<string, Raw.DownloadablePackage>>(
                    "Downloadable Packages");
                return new InfoDictionary<DownloadablePackageDefinition>(
                    raws.ToDictionary(
                        kv => kv.Key,
                        kv => CreateDownloadablePackage(kv, displayNameOverrides)));
            }
            catch (Exception e)
            {
                throw new InfoLoadException("failed to load downloadable packages", e);
            }
        }

        private static DownloadablePackageDefinition CreateDownloadablePackage(
            KeyValuePair<string, Raw.DownloadablePackage> kv,
            Dictionary<string, string> displayNameOverrides)
        {
            var path = kv.Key;
            var raw = kv.Value;
            if (displayNameOverrides.TryGetValue(path, out var displayName) == false ||
                string.IsNullOrEmpty(displayName) == true)
            {
                displayName = kv.Value.DisplayName;
            }
            return new DownloadablePackageDefinition()
            {
                ResourcePath = path,
                Id = raw.Id,
                DLCName = raw.DLCName,
                DisplayName = displayName,
            };
        }
    }
}
